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This course describes the maintenance of system software, particularly the IBM i operating system and the IBM i Licensed Internal Code.

The course first discusses the procedures for determining the current release levels of installed program products and for setting the software license usage counts. The remainder of the course covers the procedures for handling program temporary fixes (PTFs).

Approximate Study Time: 90 minutes


After completing this course, you should be able to:

  • Determine the current release level of installed program products
  • Define terms that relate to the management of PTFs
  • Determine which version of the Licensed Internal Code is currently in use and which will be used for the next IPL
  • Display and interpret the status of a PTF
  • Order a PTF, a cumulative PTF package, a PTF summary, or PSP information
  • Print and interpret a PTF cover letter
  • Install a PTF package
  • Verify that the application of a PTF was successful
  • Permanently apply a PTF that was applied temporarily

Topic Outline

Identifying System Software

PTF Concepts

Ordering PTFs

Preparing for PTF Installation

Installing PTFs


This course should be taken by the person responsible for managing the software installed on an IBM i system. This person may be a senior operator or a system administrator.

To perform the tasks described in this course on a real IBM i system, your user profile must specify a security officer (*SECOFR) user class.


This course assumes that you can perform basic IBM i operations. You can satisfy this prerequisite by successfully completing the courses from the following Manta series:

Although not absolutely required, we also recommend that you take the previous courses of this series before you start this one: